Airing Their Differences: A/C Hardware and Design Bellwood IL

You've heard the old adage, "The more things change, the more they stay the same." But that's not necessarily true with today's air conditioning hardware and design. There's more to A/C than just cool air and vents, and it's important you know this if you want your techs to be A/C proficient and your shop to be profitable.
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Airing Their Differences: A/C Hardware and Design

The more A/c systems, hardware, designs, and gagdets change, the more important it is to keep up with these changes.

By Bob Leone
9/1/2001

You've heard the old adage, "The more things change, the more they stay the same." But that's not necessarily true with today's air conditioning hardware and design. There's more to A/C than just cool air and vents, and it's important you know this if you want your techs to be A/C proficient and your shop to be profitable.

Where do you start? By understanding basic system design differences and by familiarizing yourself and your technicians with the principle features of electronic climate control and new system function and control. With that knowledge, you can better understand the troubleshooting approaches to various systems, some of which are provided in this article.

The Components
Let's start our discussion of the latest and greatest in A/C hardware and design with a review of the basic required components that comprise a full-blown electronic auto temperature system (EATC). Keep in mind throughout this article that no matter how involved the system or level of complication, the EATC is designed to simply maintain the desired vehicle interior temperature by heating, cooling, re-heating or re-cooling the air distributed, whether it's a re-circulated blend or sourced from the vehicle's exterior.

The system is also designed to actively reduce the relative humidity of the air during A/C operation. It functions complete...

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